TWI224435B - Diversity reception apparatus and diversity reception method - Google Patents
Diversity reception apparatus and diversity reception method Download PDFInfo
- Publication number
- TWI224435B TWI224435B TW092129856A TW92129856A TWI224435B TW I224435 B TWI224435 B TW I224435B TW 092129856 A TW092129856 A TW 092129856A TW 92129856 A TW92129856 A TW 92129856A TW I224435 B TWI224435 B TW I224435B
- Authority
- TW
- Taiwan
- Prior art keywords
- power
- signal
- demodulation
- output
- section
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
- H04B7/0808—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching comparing all antennas before reception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/084—Equal gain combining, only phase adjustments
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002312189 | 2002-10-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200410503A TW200410503A (en) | 2004-06-16 |
TWI224435B true TWI224435B (en) | 2004-11-21 |
Family
ID=32171114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW092129856A TWI224435B (en) | 2002-10-28 | 2003-10-28 | Diversity reception apparatus and diversity reception method |
Country Status (5)
Country | Link |
---|---|
US (1) | US7310503B2 (fr) |
EP (1) | EP1557962A4 (fr) |
JP (1) | JP3642784B2 (fr) |
TW (1) | TWI224435B (fr) |
WO (1) | WO2004038956A1 (fr) |
Families Citing this family (72)
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US7649833B2 (en) | 2003-12-29 | 2010-01-19 | Intel Corporation | Multichannel orthogonal frequency division multiplexed receivers with antenna selection and maximum-ratio combining and associated methods |
US7570953B2 (en) * | 2004-01-12 | 2009-08-04 | Intel Corporation | Multicarrier communication system and methods for link adaptation using uniform bit loading and subcarrier puncturing |
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JP4695003B2 (ja) * | 2005-09-05 | 2011-06-08 | Okiセミコンダクタ株式会社 | 等化器及び等化方法 |
JP2007158515A (ja) * | 2005-12-01 | 2007-06-21 | Matsushita Electric Ind Co Ltd | ダイバーシティ受信装置 |
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WO2007094622A1 (fr) * | 2006-02-16 | 2007-08-23 | Byung-Jin Chun | Système de communication sans fil |
JP4679392B2 (ja) * | 2006-02-28 | 2011-04-27 | 三洋電機株式会社 | 受信装置 |
EP1995889A4 (fr) * | 2006-03-16 | 2012-06-27 | Panasonic Corp | Dispositif de reception en diversite |
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EP1914918A4 (fr) * | 2006-06-07 | 2013-11-13 | Panasonic Corp | Dispositif de reception ofdm et recepteur ofdm l'utilisant |
BRPI0713569A2 (pt) * | 2006-06-21 | 2012-10-23 | Panasonic Corp | aparelho de recepção de diversidade e métado de recepção de diversidade |
TW200805919A (en) | 2006-07-12 | 2008-01-16 | Matsushita Electric Ind Co Ltd | A diversity receiver and method using the same |
US8275323B1 (en) | 2006-07-14 | 2012-09-25 | Marvell International Ltd. | Clear-channel assessment in 40 MHz wireless receivers |
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US8031789B2 (en) | 2007-04-06 | 2011-10-04 | Olympus Corporation | Methods and systems for diversity combining of synchronization statistics in OFDM systems |
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WO2009079849A1 (fr) * | 2007-12-21 | 2009-07-02 | Utstarcom Telecom Co., Ltd. | Procédé et dispositif de combinaison de diversité de réception dans un système ofdm |
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JP2010074398A (ja) * | 2008-09-17 | 2010-04-02 | Ntt Docomo Inc | Ofdm変復調方法、ofdm変調装置、ofdm復調装置およびofdm変復調システム |
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ES2349382B1 (es) * | 2009-01-16 | 2011-11-11 | Vodafone España, S.A.U | Metodo para activar/desactivar automaticamente una diversidad de recepcion de x-vias de una estacion base en una red movil, en funcion del consumo de banda base. |
US8515378B2 (en) * | 2009-06-15 | 2013-08-20 | Agc Automotive Americas R&D, Inc. | Antenna system and method for mitigating multi-path effect |
EP2453588A1 (fr) * | 2009-07-07 | 2012-05-16 | National University Corporation Shizuoka University | Dispositif de réception en diversité |
WO2011142113A1 (fr) * | 2010-05-10 | 2011-11-17 | パナソニック株式会社 | Appareil de réception de diffusion numérique et procédé de réception de diffusion numérique |
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KR101596185B1 (ko) * | 2012-03-01 | 2016-02-19 | 미쓰비시덴키 가부시키가이샤 | 수신 장치 및 수신 방법 |
JP5887433B2 (ja) * | 2012-03-06 | 2016-03-16 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ | 受信ステージおよび受信する方法 |
EP2961090B1 (fr) * | 2013-02-20 | 2019-05-01 | Mitsubishi Electric Corporation | Appareil d'estimation de qualité de ligne de communication, émetteur et récepteur |
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EP2822185B1 (fr) | 2013-07-01 | 2021-06-16 | Nxp B.V. | Système de radiocommunication distribué |
EP2822186B1 (fr) | 2013-07-01 | 2015-09-23 | Nxp B.V. | Système de radiocommunication distribué |
EP3340715A4 (fr) * | 2015-09-24 | 2018-08-22 | Huawei Technologies Co., Ltd. | Procédé et dispositif d'émission de signalisation de commande de liaison descendante |
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TWI650964B (zh) * | 2017-12-15 | 2019-02-11 | 瑞昱半導體股份有限公司 | 偵測訊號功率的裝置及方法 |
EP3591919A1 (fr) * | 2018-07-05 | 2020-01-08 | Nxp B.V. | Communication de signal comportant une fenêtre de décodage |
CN110365391B (zh) * | 2019-07-25 | 2022-10-11 | 重庆邮电大学 | 一种5g下行信道信号分集接收的方法 |
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CN112532290B (zh) * | 2020-11-22 | 2021-09-03 | 广州技象科技有限公司 | 一种信号分集合并模式的切换方法及装置 |
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US4715048A (en) * | 1986-05-02 | 1987-12-22 | Canadian Patents And Development Limited | Frequency offset diversity receiving system |
US5031193A (en) * | 1989-11-13 | 1991-07-09 | Motorola, Inc. | Method and apparatus for diversity reception of time-dispersed signals |
JPH03155228A (ja) * | 1989-11-14 | 1991-07-03 | Toshiba Corp | ダイバーシティ受信装置 |
JPH04222124A (ja) * | 1990-12-21 | 1992-08-12 | Nec Corp | 同相合成回路 |
GB2262863B (en) * | 1991-12-23 | 1995-06-21 | Motorola Ltd | Radio communications apparatus with diversity |
AU680468B2 (en) * | 1993-02-05 | 1997-07-31 | Nippon Telegraph & Telephone Corporation | Circuit for removing random FM noise |
JPH06303171A (ja) * | 1993-04-13 | 1994-10-28 | Kokusai Electric Co Ltd | ダイバーシチ受信方式 |
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JP3389178B2 (ja) * | 1999-11-30 | 2003-03-24 | 株式会社東芝 | Ofdmダイバーシチ受信装置 |
US6298092B1 (en) * | 1999-12-15 | 2001-10-02 | Iospan Wireless, Inc. | Methods of controlling communication parameters of wireless systems |
GB2364210A (en) * | 2000-06-30 | 2002-01-16 | Nokia Oy Ab | Diversity receiver and method of receiving a multi carrier signal |
TW545003B (en) * | 2001-01-16 | 2003-08-01 | Matsushita Electric Ind Co Ltd | Antenna diversity communications device |
EP1257070B1 (fr) * | 2001-05-11 | 2010-11-10 | Panasonic Corporation | Récepteur en diversité |
US7155192B2 (en) * | 2001-09-25 | 2006-12-26 | At&T Corp. | Multi-antenna/multi-receiver array diversity system |
-
2003
- 2003-10-27 WO PCT/JP2003/013727 patent/WO2004038956A1/fr active Application Filing
- 2003-10-27 EP EP03758952A patent/EP1557962A4/fr not_active Withdrawn
- 2003-10-27 US US10/527,424 patent/US7310503B2/en not_active Expired - Fee Related
- 2003-10-27 JP JP2004546487A patent/JP3642784B2/ja not_active Expired - Fee Related
- 2003-10-28 TW TW092129856A patent/TWI224435B/zh active
Also Published As
Publication number | Publication date |
---|---|
JP3642784B2 (ja) | 2005-04-27 |
EP1557962A1 (fr) | 2005-07-27 |
EP1557962A4 (fr) | 2011-06-15 |
WO2004038956A1 (fr) | 2004-05-06 |
US20060166634A1 (en) | 2006-07-27 |
JPWO2004038956A1 (ja) | 2006-02-23 |
TW200410503A (en) | 2004-06-16 |
US7310503B2 (en) | 2007-12-18 |
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